Summary: Installing a photovoltaic (PV) energy storage power station requires careful planning, technical expertise, and compliance with industry standards. This guide explores key requirements such as site assessment, system design, safety protocols, and integration with renewable energy sources. Whether you're a solar installer or project developer, learn how to optimize efficiency and compliance in renewable. This paper focuses on the latest studies and applications of Photovoltaic (PV) systems and Energy Storage Systems (ESS) in buildings from perspectives of system configurations, mathematic models, and optimization of design and operation.